Encyclopedia of Practical Receipts and Processes

How to silver a mirror, brew ginger beer, kill moths, make fireworks, tan a hide, bronze iron, cure a ham and clean a straw hat: William B. Dick's numbered encyclopedia answered the questions a nineteenth-century household actually had.

HomeMiscellaneous Chemicals › Potassa with Lime

Potassa with Lime

Rub together, in a warm mortar, 1 ounce each of hydrate of potassa and quicklime, and keep the powder from the air in a well-stopped bottle. This is a caustic, but less manageable than either nitrate of silver (lunar caustic) 4200. Ferridcyanide of Potassium. or hydrate of potassa (caustic potash.) This is the red prussiate of potash, and is ob-

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